Electric clock.



- Patented Apr. 29", I902." E. MEYER.

ELECTRIC CLOCK.

( Applicab ion filed July 19, 1901.1

2 Sheets-Sheet I."

(No Model.)

W m L M a m w /W zy B N0. 698,985. Patented Apr. 29, I902.

E. MEYER.

ELECTRIC CLOCK.

(Application filed July 19, 1901.- (No Model.) 2 SheetsSheet 2.

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lllllllllflllllll I WITNESSES. INVENTOH ATTORNEYS TN-E NORRIS PiTzas60., Pnmaumu, WASNINGTON, n. C

. ilwmnn Srnrns PATENT Qrrrcn.

EMIL MEYER, OF JERSEY CITY, NEW JERSEY; ASSIGNOR'OF ONE-HALF TO JOHN M.A. MILLI'IAGEN, OF JERSEY CITY, NEIV JERSEY.

ELECTRICCLOCK.

SPIEGIFIGATION forming part of Letters Patent No. 698,985, dated April29, 1902.

Application filed July 19, 1901. Serial No. 68,925. (No model.)

To all whom it may concern:

Be it known that I, EMIL MEYER, a subject of the Emperor of Germany,residing in J orsey City, in the county of Hudson and State of NewJersey, have invented a new and Im-.

provedElectric Clock, of which the following is a full, clear, and exactdescription.

The invention relates toclocks driven by electricity; and its objectisto provide a new and improved electric clock which is simple anddurablein construction and very accurate in its workings.

The invention consists ofnovel features and parts and combinations ofthe same, as will be fully described hereinafter and then point ed outin the claims.

A practical embodiment of the invention is represented in theaccompanying drawings, forming a part of this specification, in whichsimilar characters of reference indicate corresponding parts in all theviews.

Figure 1 is a front elevation of the improvement with parts broken out.Fig. 2 is an enlarged front elevation of the driving mech-v anism, partsbeing in a different position from the one shown in Fig. 1; and Fig. 3is a plan viewof the same. l.

The crutch or fork A of the pendulum B is pivoted at A on theclock-frame and is providedwith side or cross armsA A ofswhich the arm Aperiodically receives a blow or is struck by a weight 0, held adjustablyon the arm (3, fulcrumed at. C on the clock-frame.

An angular arm or extension 0 of the arm 0 is adapted to be engaged by apin D, held on a lever D, fulcrumed at D on the clockframe and pivotallyconnected by a link E with the armature-lever F of an electromagnet F,of any approved construction. The

electromagnet F is in a circuit G, containingv a circuit-closer -I-I,controlled by the arm A of the crutch, and this circuit-closer consists,essentially, of spring contact-plates H, connected with-a circuit-wire Gand adapted to be engaged by-a contact-point H projecting upwardly froman arm H fulcrumed at H" on the clock-frame. The free end of the arm His engaged by a pin A on the side of the cross-arm A so that when thependulum, and with it the crutch A, swings from the left to the rightthe pin A impartsan upward swinging motion to the arm H to move thecontact-point H in engagement with the contact-plates H to close thecircuit, it being understood that the point I-I, arm H and pin A areelectrically connected with the wire G of the circuit, as will bereadily understood by reference to Figs. 1 and 2. Now when the circuitis closed the armature-lever F is attracted, and in swinging downwardthe latter normally in the position shown in Fig. 2, the arm I restingagainst the stop-pin 1 On the arm I is held an angular extension 1adapted to be engaged by an extension A on the upper end of the crutchA, so that when the pendulum and the crutch A swing '75 from the rightto the left the said extension A moves in contact with the extension-arms I to swing the arm I from the left to the right against the tension ofthespring I and to move the lug I from under the free end 0 of theweighted arm 0. Thus when the pendulum arrives in its I left-handposition the weighted arm 0 is released, and it consequentlyiswingsdownward by its own weight,

and the weight 0 imparts a blow to the arm A so as to give an impulse tothe crutch A, and consequently to the pendulum B, to swing the same fromthe left'to the right. As soon as the crutch is on the oscillation fromthe left to the right the arm A moves out ofengagement with the weight0, as the arm 0 thereof now rests on the stop-pin 0 When the pendulum Bnears its right-hand position, then the pin A has moved the arm H upwardto bring the contact-point H in 5 sition and in engagement with the lugI to I00 hold the arm 0 temporarily at rest.

It is understood that when the pendulum When the weighted arm O swingsinto 65 and the crutch A are moving from the left to the right theextension A moves out of engagement with the extension-arm I to allowthe arm I to return to its normal position against the stop I by theaction of the spring 1 \Vhen the pendulum swings from the right to theleft, then the contact-point H finally moves out of contact with theplate I-l', so that the circuit is broken and the armature-lever Fswings back into an uppermost position against the stop F as shown inFig. 1. This upward movement of the armaturelever F causes the lever Dto swing back to its backward position, the pin D being a distance belowthe angular arm 0 to allow a free downward swinging of the arm 0 as soonas the latter is released by the arm Ibeing caused to swing to the rightupon the extension A moving the extension-arm 1 as previously explained.

In order to insure a quick upward swinging of the arm 0 by the leverDand its pin D acting on the angular arm G I provide a cushion F ofrubber or other elastic material and located under the armature-lever F,so that when the latter is attracted by the armature on the closing ofthe circuit,as above described, then the impact of the lever F on thebumper F causes a jerk to the lever D and the angular arm 0* to suddenlyswing the arm O back into an uppermost resting position.

The movement given to the pendulum B by the successive blows imparted tothe arm A by the weight 0 may be transmitted to the clock mechanismproper by any suitable mechanism. For instance, as shown, the pendulum Bengages a lug J on a lever J, fulcrumed at J on the clock-casing, saidlever J carrying a spring pull-pawl J adapted to turn a ratchet-wheel K,forming part of the clock-gearing.

The clock-gearing is not shown or described in detail, as it is evidentthat an ordinary clock-gearing may be employed.

Having thus fully described my invention, 1 claim as new and desire tosecure by Letters Patent--- 1. An electric clock having a pendulum, apendulum-crutch provided with cross-arms, a weighted arm for strikingone of the crossarms to give an impulse to the pendulum in onedirection, and an electrical device for raising the weighted arm, saidelectrical device comprising a circuit, an electromagnet in saidcircuit, a circuit-closer for said circuit andcontrolled by the otherarm of the pendulum-crutch, and means connected with the armature-leverof the said electromagnet, for imparting an upward movement to saidweighted arm when the pendulum crutch closes the circuit, as set forth.

2. An electric clock having a weighted arm for imparting movement to thependulum in one direction, an electrical device controlled by thependulum and arranged to return the weighted arm to an inactiveposition, and a retaining device controlled from the pendulum, fortemporarily holding the weighted arm in a raised position, saidretaining device comprising a spring-pressed arm having a lug adapted tobe engaged by the free end of said weighted arm, and means on saidcrutchfor periodically imparting a swinging motion to saidspring-pressed arm, to move the lug out of engagement with said weightedarm, as set forth.

3. In an electric clock,the combination with a pendulum crutch or forkprovided with oppositely arranged arms, of a pivoted and weighted armadapted to strike one of the arms of the pendulum crutch or fork, alocking device for holding the weighted arm raised, means controlled bythe crutch or fork for releasing the locking device to allow theweighted arm to fall, an electromagnet, means operated by the armatureof the magnet for swinging the weighted arm upward into engagement withthe locking device, and a circuit-closer controlled by the other arm ofthe pendulum crutch or fork, as set forth.

4. In an electric clock, the combination with a pendulum crutch or forkprovided with oppositely arranged arms, of a pivoted and weighted armadapted to strike one arm of the pendulum crutch or fork, anelectromagnet, a circuit-closer controlled by the other arm of thependulum-crutch, a pivoted lever having one end connected with thearmature of the electromagnet and its other end operatively connectedwith the weighted arm, a locking device for holding the weighted armraised, and means for operating the locking device to release theweighted arm, as set forth.

5. In an electric clock, the combination with a pendulum crutch or forkprovided with oppositelyarranged arms, of a pivoted and weighted armadapted to strike one arm of the pendulum crutch or fork and providedwithan angular extension, an electromagnet, a circuit-closer controlledby the other arm of the pendulum crutch or fork, a pivoted lever, havingone end connected with the armature of the magnet and its other endongaging the extension of the weighted arm, a pivoted an dspring-pressed arm provided with a lug with which the weighted armengages when raised, and means for swinging the spring-pressed armagainst the action of its spring from the pendulum crutch or fork, asset forth.

6. In an electric clock, the combination with a pendulum crutch or forkprovided with oppositely-arranged arms and with an extension at itsupper end, of a pivoted and weighted lever adapted to strike one of thearms of the pendulum crutch or fork and provided with an angularextension, an electromagnet, a circuit-closer controlled by the otherarm of the pendulum crutch or fork, a pivoted lever having one endengaging the angular extension of the weighted lever, a link connectingthe other end of the lever with the armature of the magnet, and apivoted and springpressed arm provided with a lug with which theweighted arm engages when raised, and with an angular extensionextending into the path of the extension of the pendulum crutch or fork,asset forth.

7. In an electric clock, the combination with a pendulum crutch or forkprovided with oppositely-arranged arms, one of which is provided with alateral projection, of apivoted and weighted lever adapted to strike onearm of the pendulum crutch or fork, an electromagnet,means for swingingthe weighted arm in an upward position, means for holding the weightedarm raised, means controlled from the pendulum crutch or fork forreleasing the weighted arm, a pivoted arm provided with anupwardly-projecting contact-point adapt- EMIL MEYER Witnesses:

THEO. G. HOSTER, EVERARD B. MARSHALL.

